3BU9

Selenomethionine derivative of monomine L57,63,87,146M mutant

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	298	2M ammonium sulfate, 100 mM Tris HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
1.86	33.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.281	α = 90
b = 56.547	β = 90
c = 58.747	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD	Si(111)	2007-03-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97918	APS	19-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.4	40.76	100	0.05	11.2	3.9	45974	45974

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.4	1.45	100		0.311	3.7	3.5	4575

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.4	40.76	24407	24407	1246	99.8	0.179	0.179	0.177	0.215	RANDOM	12.226

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.09			0.23		-0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.965
r_dihedral_angle_4_deg	16.421
r_dihedral_angle_3_deg	12.665
r_dihedral_angle_1_deg	5.898
r_sphericity_free	4.025
r_scangle_it	3.464
r_scbond_it	2.821
r_sphericity_bonded	2.612
r_rigid_bond_restr	2.15
r_mcangle_it	1.672
r_angle_refined_deg	1.237
r_mcbond_it	1.058
r_nbtor_refined	0.301
r_symmetry_hbond_refined	0.211
r_nbd_refined	0.193
r_symmetry_vdw_refined	0.184
r_xyhbond_nbd_refined	0.095
r_chiral_restr	0.082
r_bond_refined_d	0.011
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1091
Nucleic Acid Atoms
Solvent Atoms	156
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MLPHARE	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data collection